

-- multilingual releases

CREATE TABLE releases_lang (
  rid integer NOT NULL REFERENCES releases_rev (id) DEFERRABLE INITIALLY DEFERRED,
  lang varchar NOT NULL,
  PRIMARY KEY(rid, lang)
);
INSERT INTO releases_lang (rid, lang) SELECT id, language FROM releases_rev;
ALTER TABLE releases_rev DROP COLUMN language;

CREATE OR REPLACE FUNCTION update_vncache(id integer) RETURNS void AS $$
DECLARE
  w text := '';
BEGIN
  IF id > 0 THEN
    w := ' WHERE id = '||id;
  END IF;
  EXECUTE 'UPDATE vn SET 
    c_released = COALESCE((SELECT
      MIN(rr1.released)
      FROM releases_rev rr1
      JOIN releases r1 ON rr1.id = r1.latest
      JOIN releases_vn rv1 ON rr1.id = rv1.rid
      WHERE rv1.vid = vn.id
      AND rr1.type <> 2
      AND r1.hidden = FALSE
      AND rr1.released <> 0
      GROUP BY rv1.vid
    ), 0),
    c_languages = COALESCE(ARRAY_TO_STRING(ARRAY(
      SELECT rl2.lang
      FROM releases_rev rr2
      JOIN releases_lang rl2 ON rl2.rid = rr2.id
      JOIN releases r2 ON rr2.id = r2.latest
      JOIN releases_vn rv2 ON rr2.id = rv2.rid
      WHERE rv2.vid = vn.id
      AND rr2.type <> 2
      AND rr2.released <= TO_CHAR(''today''::timestamp, ''YYYYMMDD'')::integer
      AND r2.hidden = FALSE
      GROUP BY rl2.lang
      ORDER BY rl2.lang
    ), ''/''), ''''),
    c_platforms = COALESCE(ARRAY_TO_STRING(ARRAY(
      SELECT rp3.platform
      FROM releases_platforms rp3
      JOIN releases_rev rr3 ON rp3.rid = rr3.id
      JOIN releases r3 ON rp3.rid = r3.latest
      JOIN releases_vn rv3 ON rp3.rid = rv3.rid
      WHERE rv3.vid = vn.id
      AND rr3.type <> 2
      AND rr3.released <= TO_CHAR(''today''::timestamp, ''YYYYMMDD'')::integer
      AND r3.hidden = FALSE
      GROUP BY rp3.platform
      ORDER BY rp3.platform
    ), ''/''), '''')
  '||w;
END;
$$ LANGUAGE plpgsql;



-- added by field for tags

ALTER TABLE tags ADD COLUMN addedby integer NOT NULL DEFAULT 1 REFERENCES users (id) DEFERRABLE INITIALLY DEFERRED;

